20145044048

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{3171449}}^1$

素因数の和:3171854

約数の個数: 20

約数和(自身を含む): 39129350100

約数和(自身を除く): 18984306052

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 6352, 3171449, 6342898, 12685796, 25371592, 50743184, 1259065253, 2518130506, 5036261012, 10072522024, 20145044048]

約数ペア:

[(1, 20145044048), (2, 10072522024), (4, 5036261012), (8, 2518130506), (16, 1259065253), (397, 50743184), (794, 25371592), (1588, 12685796), (3176, 6342898), (6352, 3171449)]